LC
-
32D65E/RU, LC-37D65E/RU
4 – 11
[External input EXT1,EXT2] No picture on the display (7)
Does not the picture of the R/G/B signal input to EXT1 go out?
Does not the picture of the R/G/B signal input to EXT2 go out?
Is RGB1 signal sent to pins (15)/R1, (11)/G1 and (7)/B1 of
EXT1(SC502)?
NO
Check the setting of an external input device that connects with
EXT1.
Is RGB2 signal sent to pins (15)/R2, (11)/G2 and (7)/B2 of
EXT2(SC501)?
NO
Check the setting of an external input device that connects with
EXT2.
YES
Is RGB1 signal from EXT1(SC502) sent to pins (86)/R1, (82)/G1
and (84)/B1 of IC503 (AV_SW.)?
NO
Check the line between SC502 and IC503.
Is RGB2 signal from EXT2 (SC501) sent to pins (92)/R1, (88)/G1
and (90)/B1 of IC503 (AV_SW.)?
NO
Check the line between SC501 and IC503.
YES
Is RGB signal output from pins (73)/R_TR, (75)/G_TR and (74)/
B_TR of IC503?
NO
Check the IC503 and their peripheral circuits.
YES
Is RGB signal sent to pins(T1)/R_TR, (U2)/G_TR, (P3)/B_TR of
IC8101(DIGITAL AV DECODER & MAIN CPU & VIDEO PRO-
CESSER) from pins(73)/R_TR, (75)/G_TR, (74)/B_TR of IC503?
NO
Check the line between IC503 and IC8101.
YES
Refer to “The picture doesn’t appear in all modes.”
[External input EXT3] No picture on the display (8)
Does not the picture of the component video signal input to EXT3 go out?
Is a COMPONENT video signal input to pins(3)/Y, (5)/Pb, (7)/Pr
of EXT3(J501)?
NO
Check the setting of an external input device that connects with
EXT3.
YES
Is COMPONENT video signal from EXT3(J501) sent to pins(94)/
Y, (96)/Pb and (98)/Pr of IC503(AV_SW.)?
NO
Check the line between SC502 and IC503.
YES
Is COMPONENT video signal output from pins(75)/COMP_Y,
(74)/COMP_PB and (73)/COMP_PR of IC503?
NO
Is COMP1_PLUGl detection signal to pin(79) of IC503 input from
pin(2) of EXT3 (J501)?
YES
YES
Check the IC503 and their peripheral circuits.
Is COMPONENT signal sent to pins(U2)/COMP_Y, (P3)/
COMP_PB and (T1)/COMP_PR of IC8101(DIGITAL AV
DECODER & MAIN CPU & VIDEO PROCESSER) from pins(75)/
COMP_Y, (74)/COMP_PB, (73)/COMP_PR of IC503?
NO
Check the line between IC503 and IC8101.
YES
Refer to “The picture doesn't appear in all modes”